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Is there any reason `size_of::<(bool, bool)>()` has to be 2 instead of 1?
A bool only has 2 possibilities: true or false. So a tuple of 2 bools only has 4 possibilities, well under 256 maximum possibilities that 8 bits can afford.
Rust also has size optimization for NonZero and reference types.
So why doesn't bool benefit from such optimization?
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